SIT9120AC-1C2-33E133.333000X

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Oscillators are circuit elements or circuits widely used in electronics and communication systems for various applications, such as providing a clock reference signal for data transmission and syncing two or more elements. In this article, we want to discuss the application field and working principle of an oscillator—SIT9120AC-1C2-33E133.333000X. The SIT9120AC-1C2-33E133.333000X oscillator is an integrated oscillator designed for use in narrowband frequency synthesizers. It is a three terminal integrated oscillator packaged in a small 4-pin flat package. The output frequency is directly programmed by two resistors, and the oscillator operates up to a frequency of 133.333 MHz. The frequency stability of this oscillator is typically 0.25 ppm over the operating temperature range of -40 to -85°C.This oscillator can be used in various applications, such as radio frequency (RF) transmitters, wireless communication links, radio receivers, mobile devices, PLLs and frequency synthesizers. This oscillator is particularly suitable for use in narrowband frequency synthesizers, because it provides a stable and accurate reference frequency that is critical for the operation of the synthesizers. The output frequency can be programmed according to user requirements.In terms of working principle, the SIT9120AC-1C2-33E133.333000X oscillator works by alternately charging and discharging its two external terminals, creating a square-wave output at the third terminal. This operation is controlled by two internal transistors: one that acts as an amplifier, and the other that acts as a comparator. Due to its small size and operating frequency of up to 133.333 MHz, the SIT9120AC-1C2-33E133.333000X oscillator is an excellent choice for use in narrowband frequency synthesizers. This oscillator also provides stable and accurate reference frequency that is critical for the operation of the synthesizers. With its array of features and application fields, this oscillator can be used in a wide variety of applications.

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